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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 810 | $wp_scripts->do_footer_items(); |
| 811 | |
| 812 | /** |
| 813 | * Filter whether to print the footer scripts. |
| 814 | * |
| 815 | * @since 2.8.0 |
| 816 | * |
| 817 | * @param bool $print Whether to print the footer scripts. Default true. |
| 818 | */ |
| 819 | if ( apply_filters( 'print_footer_scripts', true ) ) { |
| 820 | _print_scripts(); |
| 821 | } |
| 822 | |
| 823 | $wp_scripts->reset(); |
| 824 | return $wp_scripts->done; |
| 825 | } |
| 826 | |
| 827 | /** |
| 828 | * @internal use |